double-crosser vs disparagement

double-crosser and disparagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
double-crosser	Yes	No	No	No
disparagement	Yes	No	No	No

double-crosser (noun)	disparagement (noun)
a person who says one thing and does another	the act of speaking contemptuously of
	a communication that belittles somebody or something